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//==========================================================================
//
//      olpch2294_misc.c
//
//      HAL misc board support code for Olimex LPC-H2294 header board
//
//==========================================================================
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// -------------------------------------------                              
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//
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// General Public License v2.                                               
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//==========================================================================
//#####DESCRIPTIONBEGIN####
//
// Author(s):     Sergei Gavrikov
// Contributors:  Sergei Gavrikov
// Date:          2008-08-31
// Purpose:       HAL board support
// Description:   Implementations of HAL board interfaces
//
//####DESCRIPTIONEND####
//
//========================================================================*/
 
#include <pkgconf/hal.h>
#include <cyg/hal/hal_io.h>     // IO macros
#include <cyg/hal/hal_intr.h>
 
#include <cyg/infra/cyg_type.h> // base types
#include <cyg/hal/var_io.h>
 
extern void     cyg_hal_plf_serial_init (void);
 
// There is alone diagnostic LED on the board.
static __inline__ void
_led (bool state)
{
    HAL_WRITE_UINT32 (CYGARC_HAL_LPC2XXX_REG_IO_BASE +
                      CYGARC_HAL_LPC2XXX_REG_IO0SET, (1 << 30));
    if (state)
        HAL_WRITE_UINT32 (CYGARC_HAL_LPC2XXX_REG_IO_BASE +
                          CYGARC_HAL_LPC2XXX_REG_IO0CLR, (1 << 30));
}
 
//--------------------------------------------------------------------------
// hal_lpc2xxx_set_leds --
//
void
hal_lpc2xxx_set_leds (int mask)
{
    _led (mask & 1);
}
 
//--------------------------------------------------------------------------
// cyg_hal_plf_comms_init --
//
void
cyg_hal_plf_comms_init (void)
{
    static int      initialized = 0;
 
    if (initialized)
        return;
    initialized = 1;
 
    cyg_hal_plf_serial_init ();
}
 
#ifdef HAL_PLF_HARDWARE_INIT
//--------------------------------------------------------------------------
// hal_plf_hardware_init --
//
void
hal_plf_hardware_init (void)
{
    // Platform HAL does not use the second LPC2XXX UART. To be sure that we
    // won't meet any spurios interrupts on UART1 anymore, mask that vector.
    HAL_INTERRUPT_MASK(CYGNUM_HAL_INTERRUPT_UART1);
}
#endif // HAL_PLF_HARDWARE_INIT
 
// indent: --indent-level4 -br -nut; vim: expandtab tabstop=4 shiftwidth=4
//--------------------------------------------------------------------------
// EOF olpch2294_misc.c